Playlist: Bookmarks
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
Crossing Every Bridge Exactly Once (aka Eulerian Paths)
How can you cross each bridge in this city exactly once?
The Heaviest Pumpkin
How heavy is the world’s heaviest pumpkin when measured in Mr. Byrds?
Find The Pattern: Multiply Fractions
What if you set the stage for students to discover how to multiply fractions?
Mow A Lawn
How long would it take to mow a very large lawn with a push-mower?
Self Portraits Part One: Line Drawings
Anyone, yes anyone, can create a (somewhat) realistic self-portrait using these steps. Anyone!
Measurement: A Long Movie
What if I told you a movie was a whopping 0.017 long? Could you figure out the unit I’m using? This lesson packs in strange measurements of time as well as tiny decimals.
Punctuation Power
In a sentence, punctuation may seem meek when compared to those mighty words, but punctuation has incredible power over the meaning of a sentence. Students will try re-punctuating sentences to find new meanings – without changing a single word!
Disneyland Parking Structure Math Project
Your students will use estimation strategies to figure out how many parking spots are there in the parking structure at Disneyland? And you bet I reveal the real answer!
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
Fraction Ordering Tournament
Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!
Intersecting Angles and Streets
There can never be just one angle.
Student Introductions With Depth and Frames
Want to introduce the tools of Depth and Complexity and learn more about your students and introduce the Frame graphic organizer? Have I got the activity for you!
Rounding Numbers (But Not To 10)
What could we possibly do to make rounding more interesting for students who already get it? In this series, students consider how they might round to values other than “the nearest 10.” How, for example, do we round to the nearest 9? 7? 15?
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!
The Angles of a Triangle
Why tell a kid the rules of a triangle when they can discover them!?
Grouping Quadrilaterals In A Hierarchy
Can we classify quadrilaterals like we classify living things?
Analyzing Movies’ Success
So should we make another movie in this series?
Finding The Volume of Laptops
How has the volume of laptops changed over time? You know you want to check out how huge those first versions were!
Furnishing A Hotel
Design and furnish hotel rooms on a budget. Real math, real constraints, real decisions. Then pitch your hotel to investors.